java中如何用readLine读取最后一行并输出

BufferedReader in = new BufferedReader(new InputStreamReader(System.in));while ((line = brCleanUp.readLine ()) != null){ } System.out.println ("[输出] " + line );当while循环readLine出所有行结束时，最后一行的值就是line，这时候你输出line就可以了~while循环的这个过程是必须的，...